(((meta ((content . "Query: Action List") (name . "title"))) (meta ((content . "manual") (name . "role"))) (meta ((content . "#manual #search #zettelstore") (name . "tags"))) (meta ((content . "zmk") (name . "syntax"))) (meta ((content . "00001007700000") (name . "back"))) (meta ((content . "00001007700000") (name . "backward"))) (meta ((content . "1") (name . "box-number"))) (meta ((content . "(c) 2020-present by Detlef Stern <ds@zettelstore.de>") (name . "copyright"))) (meta ((content . "20230707205246") (name . "created"))) (meta ((content . "00001006034000 00001006035500 00001007701000 00001007710000 00001007720000") (name . "forward"))) (meta ((content . "en") (name . "lang"))) (meta ((content . "EUPL-1.2-or-later") (name . "license"))) (meta ((content . "20251218190815") (name . "modified"))) (meta ((content . "20251218190815") (name . "published"))) (meta ((content . "public") (name . "visibility")))) (p "With a " (a ((href . "00001007710000")) "list of zettel identifiers") ", a " (a ((href . "00001007720000")) "query directives") ", or a " (a ((href . "00001007701000")) "search expression") ", a list of zettel is selected." " " (em "Actions") " allows modifying this list to a certain degree.") (p "Which actions are allowed depends on the context." " " "However, actions are further separated into " (em "parameter action") " and " (em "aggregate actions") "." " " "A parameter action just sets a parameter for an aggregate action." " " "An aggregate action transforms the list of selected zettel into a different, aggregate form." " " "Only the first aggregate form is executed, following aggregate actions are ignored.") (p "In most contexts, valid actions include the name of metadata keys, at least of type " (a ((href . "00001006035500")) "Word") " or " (a ((href . "00001006034000")) "TagSet") ".") (p "To allow some kind of backward compatibility, an action written in uppercase letters that leads to an empty result list, will be ignored." " " "In this case the list of selected zettel is returned."))